body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 13px;
}

.example-wrapper {
    display: flex;
    height: 100%;
    flex-direction: column;
}

.drop-containers {
    display: flex;
    flex: 1 1 auto;
    flex-direction: row;
    position: relative;
    overflow: hidden;
}

.toolbar {
    height: 30px;
}

.grid-wrapper {
    flex: 2 2 0px;
    min-width: 0;
}

.drop-col {
    padding-left: 10px;
    box-sizing: border-box;
    flex: 1 1 0px;
    display: flex;
    flex-direction: column;
}

.drop-target,
.tile {
    color: white;
}

.drop-target {
    border: 1px solid #888;
    background-color: #99999966;
    padding: 10px;
}

.tile-container {
    box-sizing: border-box;
    border: 1px solid #888;
    background-color: #99999944;
    overflow: auto;
    display: flex;
    align-items: flex-start;
    align-content: flex-start;
    flex-wrap: wrap;
    flex: 1 1 auto;
}

.tile {
    width: calc(50% - 30px);
    margin: 5px;
    padding: 10px;
    border-radius: 5px;
}

.red-row {
    background-color: #cc333344;
}
.green-row {
    background-color: #33cc3344;
}
.blue-row {
    background-color: #2244cc44;
}

.tile.red {
    background-color: #cc333344;
}
.tile.green {
    background-color: #33cc3344;
}
.tile.blue {
    background-color: #2244cc44;
}
